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CVE-2023-53078 (GCVE-0-2023-53078)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:55 – Updated: 2026-05-23 15:27
VLAI
Title
scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate() If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not freed, which will cause following memleak: unreferenced object 0xffff88810b2c6980 (size 32): comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [<0000000098f3a26d>] alua_activate+0xb0/0x320 [<000000003b529641>] scsi_dh_activate+0xb2/0x140 [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath] [<000000007adc9ace>] process_one_work+0x3c5/0x730 [<00000000c457a985>] worker_thread+0x93/0x650 [<00000000cb80e628>] kthread+0x1ba/0x210 [<00000000a1e61077>] ret_from_fork+0x22/0x30 Fix the problem by freeing 'qdata' in error path.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 123483df146492ca22b503ae6dacc2ce7c3a3974 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < c110051d335ef7f62ad33474b0c23997fee5bfb5 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 5c4d71424df34fc23dc5336d09394ce68c849542 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 9311e7a554dffd3823499e309a8b86a5cd1540e5 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 1c55982beb80c7d3c30278fc6cfda8496a31dbe6 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 0d89254a4320eb7de0970c478172f764125c6355 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < a13faca032acbf2699293587085293bdfaafc8ae (git)
Affected: 68b275b7cbf065a8ea9b964cbb7d78d2b63c635f (git)
Affected: 2b1725d1df362499f6bbd5a7e245a4090b29c2bb (git)
Affected: 4.9.21 , < 4.10 (semver)
Affected: 4.10.9 , < 4.11 (semver)
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Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 4.14.312 , ≤ 4.14.* (semver)
Unaffected: 4.19.280 , ≤ 4.19.* (semver)
Unaffected: 5.4.240 , ≤ 5.4.* (semver)
Unaffected: 5.10.177 , ≤ 5.10.* (semver)
Unaffected: 5.15.105 , ≤ 5.15.* (semver)
Unaffected: 6.1.22 , ≤ 6.1.* (semver)
Unaffected: 6.2.9 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:*",
                    "matchCriteriaId": "ACE2C8C3-F2AA-4A39-9D81-B0F8BB82B834",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:*",
                    "matchCriteriaId": "D67BFFD0-1A52-4F5D-98DB-D94B58FD8D30",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:*",
                    "matchCriteriaId": "7D996F38-22AC-4059-84FC-F7D69CE0CB9B",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc8:*:*:*:*:*:*",
                    "matchCriteriaId": "97EFF4F7-E5F9-4FAA-AD58-94A24501AD59",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*",
                    "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*",
                    "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:*",
                    "matchCriteriaId": "3583026A-27EC-4A4C-850A-83F2AF970673",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_dh_alua: Fix memleak for \u0027qdata\u0027 in alua_activate()\n\nIf alua_rtpg_queue() failed from alua_activate(), then \u0027qdata\u0027 is not\nfreed, which will cause following memleak:\n\nunreferenced object 0xffff88810b2c6980 (size 32):\n  comm \"kworker/u16:2\", pid 635322, jiffies 4355801099 (age 1216426.076s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff  @9$.............\n  backtrace:\n    [\u003c0000000098f3a26d\u003e] alua_activate+0xb0/0x320\n    [\u003c000000003b529641\u003e] scsi_dh_activate+0xb2/0x140\n    [\u003c000000007b296db3\u003e] activate_path_work+0xc6/0xe0 [dm_multipath]\n    [\u003c000000007adc9ace\u003e] process_one_work+0x3c5/0x730\n    [\u003c00000000c457a985\u003e] worker_thread+0x93/0x650\n    [\u003c00000000cb80e628\u003e] kthread+0x1ba/0x210\n    [\u003c00000000a1e61077\u003e] ret_from_fork+0x22/0x30\n\nFix the problem by freeing \u0027qdata\u0027 in error path."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: scsi_dh_alua: Se corrige la fuga de memoria para \u0027qdata\u0027 en alua_activate(). Si alua_rtpg_queue() falla desde alua_activate(), entonces \u0027qdata\u0027 no se libera, lo que causar\u00e1 la siguiente fuga de memoria: objeto sin referencia 0xffff88810b2c6980 (tama\u00f1o 32): comm \"kworker/u16:2\", pid 635322, jiffies 4355801099 (edad 1216426.076s) volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [\u0026lt;0000000098f3a26d\u0026gt;] alua_activate+0xb0/0x320 [\u0026lt;000000003b529641\u0026gt;] scsi_dh_activate+0xb2/0x140 [\u0026lt;000000007b296db3\u0026gt;] activate_path_work+0xc6/0xe0 [dm_multipath] [\u0026lt;000000007adc9ace\u0026gt;] process_one_work+0x3c5/0x730 [\u0026lt;00000000c457a985\u0026gt;] worker_thread+0x93/0x650 [\u0026lt;00000000cb80e628\u0026gt;] kthread+0x1ba/0x210 [\u0026lt;00000000a1e61077\u0026gt;] ret_from_fork+0x22/0x30 Solucione el problema liberando \u0027qdata\u0027 en la ruta de error."
          }
        ],
        "id": "CVE-2023-53078",
        "lastModified": "2026-06-17T06:44:15.090",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-05-02T16:15:26.820",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/0d89254a4320eb7de0970c478172f764125c6355"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/123483df146492ca22b503ae6dacc2ce7c3a3974"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1c55982beb80c7d3c30278fc6cfda8496a31dbe6"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/5c4d71424df34fc23dc5336d09394ce68c849542"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/9311e7a554dffd3823499e309a8b86a5cd1540e5"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a13faca032acbf2699293587085293bdfaafc8ae"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/c110051d335ef7f62ad33474b0c23997fee5bfb5"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-401"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-21T18:50:03+00:00",
      "cve": "CVE-2023-53078",
      "id": "CVE-2023-53078",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "120",
      "product_status:known_affected": "166",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: scsi: scsi_dh_alua: Fix memleak for \u0027qdata\u0027 in alua_activate()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53078.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T00:49:33Z",
      "cve": "CVE-2023-53078",
      "id": "CVE-2023-53078",
      "initial_release_date": "2025-05-03T02:51:07Z",
      "product_status:known_affected": "529",
      "product_status:known_not_affected": "153",
      "product_status:recommended": "300",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53078",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53078.json",
      "version": "40"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.